/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.cmd;

import java.io.Serializable;
import org.activiti.engine.ActivitiIllegalArgumentException;
import org.activiti.engine.JobNotFoundException;
import org.activiti.engine.delegate.event.ActivitiEventType;
import org.activiti.engine.delegate.event.impl.ActivitiEventBuilder;
import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandConfig;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.jobexecutor.FailedJobCommandFactory;
import org.activiti.engine.runtime.Job;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class HandleFailedJobCmd implements Command<Object>, Serializable {

    private static final long serialVersionUID = 1L;

    private static Logger log = LoggerFactory.getLogger(HandleFailedJobCmd.class);

    protected String jobId;
    protected Throwable exception;
    protected ProcessEngineConfigurationImpl processEngineConfiguration;

    public HandleFailedJobCmd(
        String jobId,
        ProcessEngineConfigurationImpl processEngineConfiguration,
        Throwable exception
    ) {
        this.jobId = jobId;
        this.processEngineConfiguration = processEngineConfiguration;
        this.exception = exception;
    }

    public Object execute(CommandContext commandContext) {
        if (jobId == null) {
            throw new ActivitiIllegalArgumentException("jobId and job is null");
        }

        Job job = commandContext.getJobEntityManager().findById(jobId);

        if (job == null) {
            throw new JobNotFoundException(jobId);
        }

        if (log.isDebugEnabled()) {
            log.debug("Executing job {}", job.getId());
        }

        executeInternal(commandContext, job);
        return null;
    }

    protected void executeInternal(CommandContext commandContext, Job job) {
        CommandConfig commandConfig = processEngineConfiguration
            .getCommandExecutor()
            .getDefaultConfig()
            .transactionRequiresNew();
        FailedJobCommandFactory failedJobCommandFactory = commandContext.getFailedJobCommandFactory();
        Command<Object> cmd = failedJobCommandFactory.getCommand(job.getId(), exception);

        log.trace(
            "Using FailedJobCommandFactory '" +
            failedJobCommandFactory.getClass() +
            "' and command of type '" +
            cmd.getClass() +
            "'"
        );
        processEngineConfiguration.getCommandExecutor().execute(commandConfig, cmd);

        // Dispatch an event, indicating job execution failed in a
        // try-catch block, to prevent the original exception to be swallowed
        if (commandContext.getEventDispatcher().isEnabled()) {
            try {
                commandContext
                    .getEventDispatcher()
                    .dispatchEvent(
                        ActivitiEventBuilder.createEntityExceptionEvent(
                            ActivitiEventType.JOB_EXECUTION_FAILURE,
                            job,
                            exception
                        )
                    );
            } catch (Throwable ignore) {
                log.warn("Exception occurred while dispatching job failure event, ignoring.", ignore);
            }
        }
    }
}
